cambyzju commented on code in PR #35722:
URL: https://github.com/apache/doris/pull/35722#discussion_r1622305733


##########
be/src/io/cache/block_file_cache_factory.cpp:
##########
@@ -92,16 +92,20 @@ Status FileCacheFactory::create_file_cache(const 
std::string& cache_base_path,
     }
     auto cache = std::make_unique<BlockFileCache>(cache_base_path, 
file_cache_settings);
     RETURN_IF_ERROR(cache->initialize());
-    _path_to_cache[cache_base_path] = cache.get();
-    _caches.push_back(std::move(cache));
+    {

Review Comment:
   At the beginnig of this function, the filesystem operations also have 
concurrency problem? such as:
   ```
   fs->exists
   fs->create_directory
   fs->delete_directory
   fs->create_directory
   ```



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